Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 4.1K, No.28 Orifice, Angle 180, Natural Finish Bronze, 49-428-1-180 activar F1FR56U1W3N

F1FR56U1W3N

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is the hydro-mechanical alarm of Reliable Wet and Dry Pipe Automatic Sprinkler Systems

Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 4.1K, No.28 Orifice, Angle 180, Natural Finish Bronze, 49-428-1-180 activar F1FR56U1W3NThe TYCO Type D4a PROTECTOSPRAY Nozzles are open (non automatic) directional spray nozzles and they are designed for use in water spray fixed systems for fire protection applications. They are external deflector type nozzles that discharge a uniformly filled cone of medium velocity water droplets. The Type D4a Nozzles feature a four arm body design that helps assist against mechanical or physical damage similar to a sprinkler guard used on automatic